The AV column gives the item's raid power, which is Attack + (Defense/4). Multiplying this number by 4 gives the actual average damage that item would give you in a raid on a 1 stam/honor hit. Note that AV does not figure in additional damage given from abilities.

Sunken Treasure: Chance for bonus damage against Aquatic raids; Each attack has a chance to trigger a second attack against Terror raids without additional cost while worn (this effect does not function if Haste is applied to the raid)

Sunder: Chance for bonus damage; Extra damage against Construct raids; Each attack has a chance to trigger a second attack against Construct raids without additional cost while worn; Does not function if the Haste magic is applied to the raid

A New Day: Chance for bonus damage; Extra damage for each piece of Rising Dawn set equipped; Extra damage against Dragon raids; Extra damage against Campaign raids; If Shield of the Rising Dawn is equipped, increases critical hit chance against Dragons by 2%; Chance on hit to create a Magma Stone, Magma Gem, Maurader Trophy, Old Ice or Guild Coin while full set (excluding Helm of the Rising Dawn) is worn against Campaign Dragon raids

Green Must Die: Chance for bonus damage; Extra damage for each piece of The Autumn Assassin's set worn; Extra damage for each unique piece of Cursed Spike set owned; Extra damage against Goblin raids; Increases Player's Perception by 200